code: def test_factorize(two_tensor, tol_f, tol_s, factors_ref):
      r"""Test that factorize function returns the correct values."""
      factors, eigvals, eigvecs = qml.qchem.factorize(
          two_tensor, tol_f, tol_s
      )
  
      eigvals_ref, eigvecs_ref = np.linalg.eigh(factors_ref)
  
      assert np.allclose(factors, factors_ref)
      assert np.allclose(eigvals, eigvals_ref)
      assert np.allclose(eigvecs, eigvecs_ref)
  
file_path: pennylane/tests/qchem/test_factorization.py
imports: import pytest
  import pennylane
  from pennylane import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: test_factorize(two_tensor, tol_f, tol_s, factors_ref) without return types